A 0.3367 g sample of the primary standard grade Na2CO3 required 28.66 mL of H2SO4 solution to reach the endpoint in the reaction. What is the Molarity of the H2SO4? Co3²'(aq) + 2H*(aq) H20 (1) + CO2 ()

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A: Given data :

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A: Entropy of a system can be defined as the degree of disorder present  in the system. it is denoted…

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A: Given, pH = 4.29 Ka of benzoic acid = 6.5 × 10-5

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A: pH of solution is given the information about acidic and basic nature of solution. If pH = 7 then…

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A: Q = Mass * Specific heat capacity * Temp change

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Q: With the half reaction method, balance the redox equation under acidic conditions. MnO4- + NO2- =>…

A: The given redox reaction is as follows: MnO4- + NO2-  →  NO3-  +  Mn2+  A redox reaction is balanced…

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A: In this question, we have to choose A balanced redox equation must have which of the following.

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A: Voltaic cell are the cells which converts chemical energy into electrical energy.

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Q: Draw Lewis Structure & Total # of Valence Electrons Cinclude charges on eeriane atms when ineeded)…

A: Let us discuss these three molecules.

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A: The observations given are,

Q: 49. Which redox equation is correctly balanced? A. Cr3+ + Mg → Cr + Mg²+ A13+ + K → Al + K+ C. Sn4+…

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Q: QUESTION 11 Write the condensed structural formula for the following molecule H. H. C- H. H. For the…

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Q: b. The reagents must contain 4 or less carbons or be any inorganic reagent, benzene, or…

A: The consecutive reaction steps with the reagents and product are drawn in the scheme below-

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Q: The pH of a 0.24 M solution of pentanoic acid (HC,H,0,) is measured to be 2.73, Calculate the acid…

A: Given, [HC5H9O2]=0.24 M pH=2.73 Ka= ?

Q: Calculate the minimum error due to balance. Select the correct answer. O 5.1 x 10-4 O 5.6 x 10 6 5.1…

A: the solution is shown below.

Q: The hydrolysis of a substrate, S, by an enzyme has been studied in the lab. The following initial…

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Q: The rate of decomposition of PH3 was studied at 961.00 °C. The rate constant was found to be 0.0805…

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Q: Calculate the solubility at 25 °C of PbCrO4 in pure water and in a 0.0150M Na₂CrO4 solution. You'll…

A: Given: Concentration of Na2CrO4 solution = 0.0150 M Ksp of PbCrO4 = 2.8×10-13 Molar mass of PbCrO4 =…

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A: The data given is,

Q: A B C D Identify the atoms that changed oxidation state in this reaction: H₂O+ + CH₂CH₂OH CrO3 Crand…

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Q: 1. Use the given data to answer 1.1-1.3 questions. The reaction is PCI, (g)- Cl, (g) PCI, (g)…

A: Recall the reaction, PCl3(g) + Cl2(g) -----> PCl5(g) ∆H = ?  ∆S = ? ∆G=?

Q: 1. Provide the EXR Product 2. Provide the Enda Product 3. Provide the Diels-Alder Product [4+2]…

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Q: Given the following information about an enzymatic reaction, calculate the initial velocity. Your…

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Q: CO(g) + Cl2(g) ⇌ COCl2(g)    Suppose a system at equilibrium contains 102 atm CO, 229 atm Cl2, and…

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Q: consider the following tin-permanganate cell: Sn(s) | Sn2+ (0.36 M) || MnO4- (aq) (0.050 M), H+(aq)…

A: The cell given is Sn(s) | Sn2+ (0.36 M) || MnO4- (aq) (0.050 M), H+(aq) (0.022 M) | MnO2 (s).

Q: Why are some mechanism considered as exact straight mechanism?

A: the solution is shown below.

Q: A saturated solution of A2J has [J2−] = 1.7 × 10−12 M. Calculate the pKsp of this compound,

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Q: Use the potentiometric cell below: SCE || Cu(X)2+ (aq, A = 0.500 M), lig (aq, A = 0.0010 M) | Cu(s)…

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Q: Which aqueous solution has the lowest pH? O a. 0.30 M HCI O b.0.30 M NH 3 Oc.0.30 M CH 3COOH O…

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Q: Write the chemical formula for this molecule: CI — Se — CІ

A: In this question we have to tell the chemical formula of the given molecule.

Q: Give the product of each reaction. H,0 1) BH, THF 2) H,02, NAOH Br2 H,0

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Q: Calculate the voltage, in V, of the following concentration cell at 25°C. Mg(s) | Mg2* (0.02 M) ||…

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Q: 1. Calculate the AS of the given reaction. H2 (9) + H2 (9) H2O (g. O2 (g) 305.0 O2 (9) → H2O ()…

A: Entropy can be defined as the degree of disorder in system or degree of randomness in system.

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Q: Show how the 0.362 in the Absorbance is calculated

A: A question based on absorption that is to be accomplished.